/*
 * Copyright (C) 2010-2015 FBReader.ORG Limited <contact@fbreader.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

package org.geometerplus.android.fbreader;

import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.net.Uri;
import android.os.Parcelable;
import android.view.View;

import com.github.johnpersano.supertoasts.SuperActivityToast;
import com.github.johnpersano.supertoasts.SuperToast;
import com.github.johnpersano.supertoasts.util.OnClickWrapper;
import com.github.johnpersano.supertoasts.util.OnDismissWrapper;

import org.geometerplus.android.fbreader.dict.DictionaryUtil;
import org.geometerplus.android.fbreader.image.ImageViewActivity;
import org.geometerplus.android.fbreader.network.BookDownloader;
import org.geometerplus.android.fbreader.network.BookDownloaderService;
import org.geometerplus.android.fbreader.network.Util;
import org.geometerplus.android.fbreader.network.auth.ActivityNetworkContext;
import org.geometerplus.android.util.OrientationUtil;
import org.geometerplus.android.util.UIMessageUtil;
import org.geometerplus.fbreader.Paths;
import org.geometerplus.fbreader.bookmodel.FBHyperlinkType;
import org.geometerplus.fbreader.fbreader.FBReaderApp;
import org.geometerplus.fbreader.network.NetworkLibrary;
import org.geometerplus.fbreader.util.AutoTextSnippet;
import org.geometerplus.zlibrary.core.network.ZLNetworkException;
import org.geometerplus.zlibrary.core.resources.ZLResource;
import org.geometerplus.zlibrary.text.view.ZLTextHyperlink;
import org.geometerplus.zlibrary.text.view.ZLTextHyperlinkRegionSoul;
import org.geometerplus.zlibrary.text.view.ZLTextImageRegionSoul;
import org.geometerplus.zlibrary.text.view.ZLTextRegion;
import org.geometerplus.zlibrary.text.view.ZLTextWordRegionSoul;
import org.geometerplus.zlibrary.ui.android.R;

class ProcessHyperlinkAction extends FBAndroidAction {
    ProcessHyperlinkAction(FBReader baseActivity, FBReaderApp fbreader) {
        super(baseActivity, fbreader);
    }

    @Override
    public boolean isEnabled() {
        return Reader.getTextView().getOutlinedRegion() != null;
    }

    @Override
    protected void run(Object... params) {
        final ZLTextRegion region = Reader.getTextView().getOutlinedRegion();
        if (region == null) {
            return;
        }

        final ZLTextRegion.Soul soul = region.getSoul();
        if (soul instanceof ZLTextHyperlinkRegionSoul) {
            Reader.getTextView().hideOutline();
            Reader.getViewWidget().repaint();
            final ZLTextHyperlink hyperlink = ((ZLTextHyperlinkRegionSoul) soul).Hyperlink;
            switch (hyperlink.Type) {
                case FBHyperlinkType.EXTERNAL:
                    openInBrowser(hyperlink.Id);
                    break;
                case FBHyperlinkType.INTERNAL:
                case FBHyperlinkType.FOOTNOTE: {
                    final AutoTextSnippet snippet = Reader.getFootnoteData(hyperlink.Id);
                    if (snippet == null) {
                        break;
                    }

                    Reader.Collection.markHyperlinkAsVisited(Reader.getCurrentBook(), hyperlink.Id);
                    final boolean showToast;
                    switch (Reader.MiscOptions.ShowFootnoteToast.getValue()) {
                        default:
                        case never:
                            showToast = false;
                            break;
                        case footnotesOnly:
                            showToast = hyperlink.Type == FBHyperlinkType.FOOTNOTE;
                            break;
                        case footnotesAndSuperscripts:
                            showToast =
                                    hyperlink.Type == FBHyperlinkType.FOOTNOTE ||
                                            region.isVerticallyAligned();
                            break;
                        case allInternalLinks:
                            showToast = true;
                            break;
                    }
                    if (showToast) {
                        final SuperActivityToast toast;
                        if (snippet.IsEndOfText) {
                            toast = new SuperActivityToast(BaseActivity, SuperToast.Type.STANDARD);
                        } else {
                            toast = new SuperActivityToast(BaseActivity, SuperToast.Type.BUTTON);
                            toast.setButtonIcon(
                                    android.R.drawable.ic_menu_more,
                                    ZLResource.resource("toast").getResource("more").getValue()
                            );
                            toast.setOnClickWrapper(new OnClickWrapper("ftnt", new SuperToast.OnClickListener() {
                                @Override
                                public void onClick(View view, Parcelable token) {
                                    Reader.getTextView().hideOutline();
                                    Reader.tryOpenFootnote(hyperlink.Id);
                                }
                            }));
                        }
                        toast.setText(snippet.getText());
                        toast.setDuration(Reader.MiscOptions.FootnoteToastDuration.getValue().Value);
                        toast.setOnDismissWrapper(new OnDismissWrapper("ftnt", new SuperToast.OnDismissListener() {
                            @Override
                            public void onDismiss(View view) {
                                Reader.getTextView().hideOutline();
                                Reader.getViewWidget().repaint();
                            }
                        }));
                        Reader.getTextView().outlineRegion(region);
                        BaseActivity.showToast(toast);
                    } else {
                        Reader.tryOpenFootnote(hyperlink.Id);
                    }
                    break;
                }
            }
        } else if (soul instanceof ZLTextImageRegionSoul) {
            Reader.getTextView().hideOutline();
            Reader.getViewWidget().repaint();
            final String url = ((ZLTextImageRegionSoul) soul).ImageElement.URL;
            if (url != null) {
                try {
                    final Intent intent = new Intent();
                    intent.setClass(BaseActivity,ImageViewActivity.class);
                    intent.putExtra(ImageViewActivity.URL_KEY, url);
                    intent.putExtra(
                            ImageViewActivity.BACKGROUND_COLOR_KEY,
                            Reader.ImageOptions.ImageViewBackground.getValue().intValue()
                    );
                    OrientationUtil.startActivity(BaseActivity, intent);
                    BaseActivity.overridePendingTransition(R.anim.activity_anim_no, R.anim.activity_anim_no);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        } else if (soul instanceof ZLTextWordRegionSoul) {
            DictionaryUtil.openTextInDictionary(
                    BaseActivity,
                    ((ZLTextWordRegionSoul) soul).Word.getString(),
                    true,
                    region.getTop(),
                    region.getBottom(),
                    new Runnable() {
                        public void run() {
                            BaseActivity.outlineRegion(soul);
                        }
                    }
            );
        }
    }

    private void openInBrowser(final String url) {
        final Intent intent = new Intent(Intent.ACTION_VIEW);
        final boolean externalUrl;
        if (BookDownloader.acceptsUri(Uri.parse(url), null)) {
            intent.setClass(BaseActivity, BookDownloader.class);
            intent.putExtra(BookDownloaderService.Key.SHOW_NOTIFICATIONS, BookDownloaderService.Notifications.ALL);
            externalUrl = false;
        } else {
            externalUrl = true;
        }
        final NetworkLibrary nLibrary = NetworkLibrary.Instance(Paths.systemInfo(BaseActivity));
        new Thread(new Runnable() {
            public void run() {
                if (!url.startsWith("fbreader-action:")) {
                    try {
                        nLibrary.initialize(new ActivityNetworkContext(BaseActivity));
                    } catch (ZLNetworkException e) {
                        e.printStackTrace();
                        UIMessageUtil.showMessageText(BaseActivity, e.getMessage());
                        return;
                    }
                }
                intent.setData(Util.rewriteUri(Uri.parse(nLibrary.rewriteUrl(url, externalUrl))));
                BaseActivity.runOnUiThread(new Runnable() {
                    public void run() {
                        try {
                            OrientationUtil.startActivity(BaseActivity, intent);
                        } catch (ActivityNotFoundException e) {
                            e.printStackTrace();
                        }
                    }
                });
            }
        }).start();
    }
}
